Spax PowerLags 5/16 In. x 10 In. Washer Head Exterior Structure Screw (12 Ct.) Encode Rockwool Comfortbatt insulation for wood

Rockwool Comfortbatt insulation for wood studs and joists

and use existing screw again

Plug the controller into a power source and look for a slow blinking green light (called AP Mode)

x 1/4" thick

Use with ceiling tile

Spax PowerLags 5/16 In. x 10 In. Washer Head Exterior Structure Screw (12 Ct.) Encode Rockwool Comfortbatt insulation for woodSpax PowerLags Screws have a washer head with T Star Drive and HCR (High Corrosion Resistant) exterior coating. Provides a new level of fastening efficiency and reliability to construction. Engineered specifically for demanding wood to wood structural applications, PowerLags feature patented thread serrations that eliminate pre drilling and dramatically increase installation speed requiring up to 40% less driving torque to increase installation speed.